盟友所想：有争议的安全环境中的欧洲优先事项

MAY 2025What Allies WantEuropean Priorities in a Contested Security EnvironmentBy Nicholas Smith Adamopoulos In recent years,several U.S.allies have expressed a growing interest in developing independent nuclear programs.This trend could reflect a combination of factors,such as geostrategic uncertainty,growing regional tensions,and questions about the credibility of U.S.security guarantees over time.The United States has dedicated significant effort to preventing the spread of nuclear weapons to new possessors for much of the nuclear age and has successfully utilized extended deterrence to dissuade allies from succumbing to proliferation pressures.While U.S.allies have expressed interest in developing their own nuclear weapons before,the United States has historically gone to significant lengths to prevent allied proliferation.Today,U.S.allies in Europe are once again experiencing regional security pressures and fears of U.S.abandonment,both of which have historically motivated interest in proliferation.Yet,by and large,allied leaders have still caveated public preparations for a revised transatlantic relationship with the sentiment that the status quo of cooperation with the Unite